Wristwatch



FIG. 1 is a front view of a wristwatch showing our new design,

FIG. 2 is a left side elevational view thereof,

FIG. 3 is a right side elevational view thereof,

FIG. 4 is a side elevational view thereof; and,

FIG. 5 is a rear view thereof. 

The ornamental design for a wristwatch, as shown and described. 